D-Link DSL-2320B - 24 Mbps DSL Modem Uživatelská příručka stáhnout pdf (Strana 14)

D-Link Product Guide 2008

Feature & Benefits

V

ROUTERS & GATEWAYS





» Make calls using subscribed Internet

broadband line already installed at

home or office.

» No incurring toll charges from telephone

companies.

» Pay only small charges for VoIP phone

forwarding services.



» Industry’s latest Voice over the IP

network protocol

» Compatible with popular SIP Internet

phone services.





» Flexible gateway deployment for

enterprises and ISP.



» Uninterrupted phone/fax communication

with or without the Internet.

» Relays outgoing phone calls to PSTN

automatically in case of a power outage

at, or when VoIP service is disconnected



» Prioritized transmission for voice

packets over the Internet.

» Minimized interruption to voice

transmission/reception due file transfer,

web surfing and other Internet uses.



» Generally includes Call Transfer, Call

Hold, Call Waiting, Caller ID Display,

3-Way Conference functions.

» Allows service providers to offer these

functions to their subscribers.

» Provided that their telephone sets

support these functions, callers can take

advantage of the features offered





» Configuration of individual phone

connection by directly using the phone

set.





» Allows users to surf the web while

making Internet phone calls.

» Sharing of Internet connection among a

group of computers.

» DoS attack prevention firewall protection

for connected computers.

The VoIP phone adapters, routers and gateways allow homes and businesses to take

advantage of their DSL/cable modem connection to make inexpensive Internet phone

calls. Through broadband connection, these devices allow users to access voice and

fax services over the Internet to significantly reduce the cost of international and long

distance calls.

The VoIP phone adapters and routers are made for homes and small offices, and

typically have one or two phone ports. For large offices, the gateways can have up

to 32 phone ports for a large number of users to make simultaneous Internet phone

calls. The gateways are categorized into two different types: station gateways and

trunk gateways. The station gateways have FXS phone ports that connect to regular

phone sets, Ethernet WAN ports that connect to DSL/cable modems and built-in router

function/Ethernet LAN ports for convenient computer connection. The trunk gateways

are equipped with FXO ports, which can connect to PBX, key telephone systems or

PSTN phone lines for analog voice, and Ethernet LAN ports which connect to office

LAN (IP networks) for VoIP data. The combo gateways provide both FXS and FXO

ports for flexible application.



● 1 FXS Port

● 1 PSTN Lifeline Port

● 1 Ethernet WAN Port

1-Port VoIP Telephone Adapter





» Lists emergency numbers such as

police/ambulance service, and special

telephone numbers and redirects to

the PSTN line when dialing to these

number is made.



» Allow users to view call duration, time

and date of call and call latency.



● 2 FXS Ports

● 1 PSTN Lifeline Port

● 1 Ethernet WAN Port

● 1 Ethernet LAN Port

● NAT Router with DHCP Server,

Parental Control

2-Port VoIP Telephone Adapter



● 1 FXS Port

● 1 Ethernet WAN Port

1-Port VoIP Telephone Adapter

BROADBAND

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